The Exciton Fission and the High Efficient Solar Cell

doi:10.7517/j.issn.1674-0475.2011.01.1

Abstract

Abstract: The singlet fission compound can be used as a new type of sensitizer for solar cell to increase the photo-electro conversion efficiency tremendously.In this paper,the fundamental point of this phenomenon and its development have been introduced and reviewed briefly,included the experimental method and the mechanism about the fission process.In the part of experiments,the dynamic process of the singlet fission and the recombination of triplet states were described by steady and rapid transient spectrometric method.Simultaneously,the exciton coupling;the energy relationship between different levels,and the environment effect were also discussed.As for the possible mechanism of singlet fission process,several valuable processes were introduced.In addition,some basic guides for the choice of these compounds have been also discussed and explained.

Key words: singlet exciton fission, photo-sensitized solar cell, rapid transient fluorescence spectrum, tetracene and pentacene

CLC Number:

WU Shi-kang, WANG Peng-fei. The Exciton Fission and the High Efficient Solar Cell[J]. Imaging Science and Photochemistry, 2011, 29(1): 1-10.

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